Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2023 20:26

General

  • Target

    908734b8110bcf4d13e860d05aa0c374f056c027e6a7c594ecff219679f58de8.js

  • Size

    9.0MB

  • MD5

    c80a36f6be68badf2169f87ef5284b46

  • SHA1

    8eb62c3901b392b7c608c8849af3f49881eec24e

  • SHA256

    908734b8110bcf4d13e860d05aa0c374f056c027e6a7c594ecff219679f58de8

  • SHA512

    41cff549582af5b3c469655d0a738a88c7f55077d2e2fea20a1d0be92b848f008165d9886fe922e643c503cb3ac4a07f1800f68682ef4fa49aaa3612a7b622c7

  • SSDEEP

    192:KZVh7E1mH9k2J2ZafWdfH1P2P1IFpLk8vII:MVm1mH9u1+qTtgI

Malware Config

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 17 IoCs
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\908734b8110bcf4d13e860d05aa0c374f056c027e6a7c594ecff219679f58de8.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    PID:364

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads